“Hallowmarine” Returns to the National Aquarium

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Join the National Aquarium for its annual “Hallowmarine” celebration featuring Halloween-themed crafts, creepy-crawly animal encounters, a costume parade, and more! Guests are invited to dress up in costume and can also enjoy a lesson from National Aquarium experts about how to green your Halloween!

As with years past, the National Aquarium divers will do underwater pumpkin carving at 11 a.m. and 2 p.m. on both days in the Atlantic Coral Reef exhibit.

Guests can also enjoy Sea Monsters 4-D: A Prehistoric Adventureat the National Aquarium’s 4-D Immersion Theater. For an additional $5, guests can travel back in time and follow an incredible sea monster on her journey to survive in one of the most dangerous seas in history.